ci: Travis: Ubuntu Xenial, and pynvim (#908)

.travis.yml

@@ -1,6 +1,6 @@
-sudo: false
+dist: xenial
 language: python
-python: 3.6
+python: 3.7
 env:
   matrix:
     - ENV=test
@@ -13,20 +13,22 @@ matrix:
 install:
   - |
     if [ "$ENV" = "test" ]; then
-      python3.6 -m pip install pytest
-    fi
-  - |
-    # https://github.com/neovim/bot-ci#generated-builds
-    if [ "$ENV" = "test_coverage" ]; then
-      eval "$(curl -Ss https://raw.githubusercontent.com/neovim/bot-ci/master/scripts/travis-setup.sh) nightly-x64"
-      pip --version
-      pip install neovim pytest-cov
+      pip install pytest
+    elif [ "$ENV" = "test_coverage" ]; then
+      sudo add-apt-repository ppa:neovim-ppa/stable -y
+      sudo apt-get update -q
+      sudo apt-get install neovim -y
+
+      pip install pynvim pytest-cov
     else
       vim --version
     fi
 script:
-  - make --keep-going "$ENV"
+  - make --keep-going "$ENV" BUILD_VIRTUAL_ENV=$VIRTUAL_ENV
 
 after_success:
-  - coverage xml
-  - bash <(curl -s https://codecov.io/bash) -X gcov -X coveragepy -X fix -X search -X xcode -f coverage.xml -F py${TRAVIS_PYTHON_VERSION//./}
+  - |
+    if [ "$ENV" = "test_coverage" ]; then
+      coverage xml
+      bash <(curl -s https://codecov.io/bash) -X gcov -X coveragepy -X fix -X search -X xcode -f coverage.xml -F py${TRAVIS_PYTHON_VERSION//./}
+    fi

Makefile

@@ -1,3 +1,5 @@
+BUILD_VIRTUAL_ENV:=build/venv
+
 test:
 	pytest
 
@@ -7,23 +9,23 @@ test_nvim:
 test_coverage: export PYTEST_ADDOPTS:=--cov pythonx --cov test --cov-report=term-missing:skip-covered
 test_coverage: test_nvim
 
-build:
-	mkdir $@
+$(dir $(BUILD_VIRTUAL_ENV)):
+	mkdir -p $@
 
-build/venv: | build
-	virtualenv -p python3.6 $@
+$(BUILD_VIRTUAL_ENV): | $(dir $(BUILD_VIRTUAL_ENV))
+	python -m venv $@
 
-build/venv/bin/vint: | build/venv
-	$|/bin/pip install -q vim-vint==0.3.19
+$(BUILD_VIRTUAL_ENV)/bin/vint: | $(BUILD_VIRTUAL_ENV)
+	$|/bin/python -m pip install vim-vint==0.3.19
 
-build/venv/bin/flake8: | build/venv
-	$|/bin/pip install -q flake8==3.5.0
+$(BUILD_VIRTUAL_ENV)/bin/flake8: | $(BUILD_VIRTUAL_ENV)
+	$|/bin/python -m pip install -q flake8==3.5.0
 
-vint: build/venv/bin/vint
-	build/venv/bin/vint after autoload ftplugin plugin
+vint: $(BUILD_VIRTUAL_ENV)/bin/vint
+	$(BUILD_VIRTUAL_ENV)/bin/vint after autoload ftplugin plugin
 
-flake8: build/venv/bin/flake8
-	build/venv/bin/flake8 pythonx/jedi_*.py
+flake8: $(BUILD_VIRTUAL_ENV)/bin/flake8
+	$(BUILD_VIRTUAL_ENV)/bin/flake8 pythonx/jedi_*.py
 
 check: vint flake8